package net.sourceforge.squirrel_sql.plugins.postgres.tab;
/*
* Copyright (C) 2007 Rob Manning
* manningr@users.sourceforge.net
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
import java.sql.PreparedStatement;
import java.sql.SQLException;
import net.sourceforge.squirrel_sql.client.session.ISession;
import net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.tabs.BasePreparedStatementTab;
import net.sourceforge.squirrel_sql.fw.sql.IDatabaseObjectInfo;
import net.sourceforge.squirrel_sql.fw.util.StringManager;
import net.sourceforge.squirrel_sql.fw.util.StringManagerFactory;
import net.sourceforge.squirrel_sql.fw.util.log.ILogger;
import net.sourceforge.squirrel_sql.fw.util.log.LoggerController;
/**
* This class will display the details for an PostgreSQL trigger.
*
* @author manningr
*/
public class TriggerDetailsTab extends BasePreparedStatementTab
{
private static final StringManager s_stringMgr =
StringManagerFactory.getStringManager(TriggerDetailsTab.class);
/**
* This interface defines locale specific strings. This should be
* replaced with a property file.
*/
private interface i18n
{
// i18n[TriggerDetailsTab.title=Details]
String TITLE = s_stringMgr.getString("TriggerDetailsTab.title");
// i18n[TriggerDetailsTab.hint=Display trigger details]
String HINT = s_stringMgr.getString("TriggerDetailsTab.hint");
}
/** SQL that retrieves the data. */
private static String SQL =
"select condition_timing AS trigger_time, " +
" v.manip AS triggering_event, " +
" action_orientation AS granularity, " +
" event_object_table AS table_name " +
"FROM information_schema.triggers t, " +
"(select trigger_schema, " +
" trigger_name, " +
" rtrim( " +
" max(case when pos=0 then manip else '' end)|| " +
" max(case when pos=1 then manip else '' end)|| " +
" max(case when pos=2 then manip else '' end), ' or ' " +
" ) as manip " +
"from ( " +
" select a.trigger_schema, " +
" a.trigger_name, " +
" a.event_manipulation||' or ' as manip, " +
" d.cnt, " +
" a.rnk as pos " +
" from ( select trigger_name, " +
" trigger_schema, " +
" event_manipulation, " +
" (select count(distinct is1.event_manipulation) " +
" from information_schema.triggers is1 " +
" where is2.event_manipulation < is1.event_manipulation) as rnk " +
" from information_schema.triggers is2 " +
" ) a, " +
" (select trigger_schema, trigger_name, count(event_manipulation) as cnt " +
" from ( " +
" select trigger_schema, " +
" trigger_name, " +
" event_manipulation, " +
" (select count(distinct is3.event_manipulation) " +
" from information_schema.triggers is3 " +
" where is4.event_manipulation < is3.event_manipulation) as rnk " +
" from information_schema.triggers is4 " +
" ) y " +
" group by trigger_schema, trigger_name) d " +
" where d.trigger_name = a.trigger_name " +
" and d.trigger_schema = a.trigger_schema " +
") x " +
"group by trigger_schema, trigger_name " +
"order by 1) v " +
"where t.trigger_schema = v.trigger_schema " +
"and t.trigger_name = v.trigger_name " +
"and t.trigger_schema = ? " +
"and t.trigger_name = ? ";
/** Logger for this class. */
private final static ILogger s_log =
LoggerController.createLogger(TriggerDetailsTab.class);
public TriggerDetailsTab()
{
super(i18n.TITLE, i18n.HINT, true);
}
protected PreparedStatement createStatement() throws SQLException
{
ISession session = getSession();
IDatabaseObjectInfo doi = getDatabaseObjectInfo();
if (s_log.isDebugEnabled()) {
s_log.debug("Trigger details SQL: "+SQL);
s_log.debug("Trigger schema: "+doi.getSchemaName());
s_log.debug("Trigger name: "+doi.getSimpleName());
}
PreparedStatement pstmt = session.getSQLConnection().prepareStatement(SQL);
pstmt.setString(1, doi.getSchemaName());
pstmt.setString(2, doi.getSimpleName());
return pstmt;
}
}